Punching bag stand



FIG. 1 is a perspective view of a punching bag stand showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a left side elevational view thereof, the right side being a mirror image;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

The broken line showing of the punching bags in FIG. 1 is for illstrative purposes only and forms no part of the claimed design. 

The ornamental design for a punching bag stand, as shown and described. 